|Rank|Nation|Gold|Silver|Bronze|Total|
|---|---|---|---|---|---|
|1|Venezuela|5|2|3|10|
|2|Colombia|4|4|9|17|
|3|Dominican Republic|4|3|4|11|
|4|Peru|3|3|8|14|
|5|Ecuador|2|3|3|8|
|6|Guatemala|1|1|1|3|
|7|Chile|0|3|2|5|
|8|Panama|0|0|3|3|
|9|Bolivia|0|0|1|1|
|9|Paraguay|0|0|1|1|
|Total|Total|19|19|35|73|

Question: how many nations won at least three silver medals?
Answer: 5